Electricity Live

Great Britain’s electricity on Friday 29 September 2017

On Friday 29 September, demand averaged 31.0 GW. Renewables supplied 25%.

31.0GW AVERAGEWind6.61 GW21%Hydro0.42 GW1%Solar0.88 GW3%Gas12.49 GW40%Coal1.18 GW4%Imports2.84 GW9%Nuclear6.99 GW22%31.0GW AVERAGE21%40%9%22%
Price
£42.33/MWh
Day average £42.33
Demand31.0GW
Generation 28.6Transfers 2.4
Fossil fuels40%
Renewables25%
Other31%
Carbon intensityModerate
234g/kWh
0Day average 234300
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Recorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hour

Records set on this day

All records

Key moments

On Friday 29 September 2017, gas supplied 40% of Great Britain’s electricity and nuclear 22%. Demand peaked at 37.2 GW at 09:35. Carbon intensity averaged 234 g/kWh and the price £42.33/MWh. Wind generation peaked at 7.7 GW at 15:20. Solar generation peaked at 3.6 GW at 14:00. Carbon intensity was lowest at 23:30 (199 g/kWh) and highest at 19:30 (261 g/kWh). The wholesale price ranged from £28.51/MWh at 03:00 to £59.42/MWh at 19:00. Gas made 44% of the electricity generated in Great Britain, compared with 43% across 2017.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.882.8%Wind 6.6121.0%Gas 12.4939.8%Hydro 0.421.3%Biomass 0.000.0%Nuclear 6.9922.3%Coal 1.183.8%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.0avgGeneration 28.6avgTransfers 2.4avg
The day in figurespeaks, averages, totals
Peak demand37.2GW · 09:35
Low 21.0 · 03:50Avg 31.00–40 GW
Made in Great Britain92%of demand
Generation 28.6Transfers 2.4 GW
Net imports62GWh
In
62 Out
0
Zero-carbon share52%of generation
Nuclear 24%Hydro 1%Wind 23%Solar 3%

Transfers · Fri 29 Sept

Interconnectors and storage

On Friday 29 September 2017, Great Britain imported 62 GWh and exported 0 GWh through its interconnectors. The most came from France (28 GWh).

All interconnectors

Fri 29 Sept
Imported
62GWh
Exported
0GWh
Net in
62GWh
Average net flow
2.59GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.15GWImporting

In 27.5 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.64GWImporting

In 15.3 GWhOut 0.0 GWh

Netherlands

BritNed

Average0.81GWImporting

In 19.4 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.15GWPumping

Generated 6.0 GWhPumped 9.6 GWh

All cards share one scale, so you can compare their heights. Each country can have more than one cable.

Download the 5-minute data for this day: CSV · JSON. See what the figures mean.